This kind of test is also more business-oriented, because they focus on testing external, visible behaviors (so it’s kind of “BDD in code”). You don’t have to think about internal implementation details anymore. In most cases, you don’t even need mocks, it’s enough to use hand-written Test Doubles/Fakes/Stubs (e.g. an in-memory list that simulates a database, fake time provider, etc) (tests with Fakes are much cleaner).
the problem we are trying to solve
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Studio Displays are premium monitors designed for creative professionals such as video editors and 3D artists. Apple says the more advanced Studio Display XDR features the "world’s best pro display," and it has a 27-inch 5K mini-LED backlight display.
The downside is that it lacks a couple of common ports, such as USB-A and micro-SD. It's quite future-facing in that way, and there are enough USB-C accessories and peripherals these days that it might not be an issue, but we have more options below if the older USB-A port is a must-have.—Eric Ravenscraft